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onsemi MM3Z62VT1
- Part No.:
- MM3Z62VT1
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
MM3Z62VT1.pdf
- Description:
- DIODE ZENER 62V 300MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:18,000
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Product details
Overview
MM3Z62VT1 from onsemi is a 62 V, 200 mW Zener voltage regulator diode in SOD−323 package, with nominal Zener voltage 62 V (min 58 V, max 66 V) at 2 mA test current, dynamic impedance 215 Ω at IZT, and leakage current ≤0.05 µA at 43.4 V reverse voltage - used for precision voltage reference and overvoltage protection in space-constrained portable electronics.
For engineers reviewing the MM3Z62VT1 datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage tolerance (±6.5%), thermal coefficient (+0.4 mV/°C), low capacitance (35 pF), ESD robustness (>16 kV HBM), and SOD−323 footprint compatibility with high-density PCB layouts.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining stable output voltage across its cathode-anode terminals under reverse bias when current exceeds knee threshold (IZK = 0.5 mA). Its Zener breakdown mechanism provides predictable regulation with temperature coefficient of +0.4 mV/°C, enabling compensation in precision analog circuits.
The SOD−323 package delivers 635 °C/W junction-to-ambient thermal resistance and supports reflow soldering up to 260 °C for 10 seconds. It exhibits 35 pF capacitance at 0 V bias and 1 MHz, making it suitable for low-noise reference paths where parasitic coupling must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 58 V (min) to 66 V (max) at IZT = 2 mA - defines regulation band for clamp/reference accuracy |
| Power Dissipation | 200 mW at TA = 25°C - sets maximum continuous power handling on FR-5 board |
| Zener Impedance (ZZT) | 215 Ω max at IZT = 2 mA - determines AC regulation stiffness and ripple rejection |
| Leakage Current (IR) | ≤0.05 µA at VR = 43.4 V - ensures minimal standby current in high-impedance bias networks |
| Capacitance (C) | 35 pF at VR = 0 V, f = 1 MHz - limits high-frequency noise coupling in reference nodes |
| ESD Rating | Class 3 (>16 kV) per HBM - supports robust handling in automated assembly and field environments |
| Package | SOD−323 (Case 477), 1.7 mm × 1.25 mm × 0.9 mm - enables placement in ultra-compact mobile PCBs |
Pinout & Package
SOD−323 surface-mount package with cathode marked by polarity band; body dimensions 1.7 mm × 1.25 mm × 0.9 mm; weight 4.507 mg/unit; mounting position unrestricted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Reverse-biased Zener terminal | Connected to regulated node; sinks current during overvoltage events |
| 2 (Anode) | Reference/ground terminal | Tied to system ground or lower-potential rail; completes shunt regulation path |
Key Features
| Feature | Design Value |
|---|---|
| Stable 62 V regulation | ±6.5% tolerance over production lot ensures consistent clamping level in protection circuits |
| Low-profile SOD−323 | 0.9 mm height enables stacking under shields or placement near connectors in slim devices |
| High ESD immunity | 16 kV+ HBM rating eliminates need for external ESD protection in handheld interface lines |
| Pb-free option available | MM3Z62VT1G variant meets RoHS and JEDEC J-STD-020 reflow compliance requirements |
| Low leakage at sub-Zener bias | 0.05 µA max at 43.4 V allows use in battery-powered sensor bias chains without drain penalty |
Applications
| Cellular Phone Power Management | USB Port Overvoltage Protection |
|---|---|
Use Scenario: Regulating auxiliary LDO feedback voltage in multi-rail PMIC subsystems. IC Role / Device Role / Timing Role: Shunt reference element providing stable 62 V reference for error amplifier input. Use Value: Tight 58–66 V tolerance ensures ±1.5% output accuracy across temperature and process variation. |
Use Scenario: Clamping transient surges on USB VBUS line during hot-plug or ESD events. IC Role / Device Role / Timing Role: Fast-acting crowbar device diverting >62 V spikes to ground before downstream IC damage. Use Value: 215 Ω Zener impedance limits clamping voltage overshoot to <68 V during 1 A surge pulses. |
| Wearable Sensor Bias Network | Industrial IoT Node Reference |
Use Scenario: Generating stable bias voltage for MEMS microphone preamp stages in hearables. IC Role / Device Role / Timing Role: Low-leakage (≤0.05 µA) Zener source for high-impedance DC bias node. Use Value: 35 pF capacitance prevents RF coupling into sensitive analog front-end signal paths. |
Use Scenario: Providing isolated 62 V reference for ADC calibration in battery-backed data loggers. IC Role / Device Role / Timing Role: Temperature-compensated voltage standard with +0.4 mV/°C drift correction. Use Value: Enables <±0.1% full-scale calibration stability over −40°C to +85°C operating range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B62,115 (Nexperia) | Same 62 V nominal Zener, but 300 mW rating and SOD-323 package; ZZT = 150 Ω @ 5 mA | Higher power margin supports longer surge duration; requires higher test current for spec compliance | Select when sustained 250 mW dissipation is needed; verify layout thermal relief matches derating curve |
| MMBZ5248BS-7-F (Diodes Inc.) | 62 V Zener in SOT-323 (same footprint); 200 mW rating but higher leakage (1 µA @ 49.6 V) | Less suitable for ultra-low-power bias networks due to 20× higher IR at sub-Zener bias | Prefer for cost-sensitive consumer designs where leakage is non-critical and SOT-323 sourcing is preferred |
Compared with BZX384-B62 and MMBZ5248BS-7-F, the MM3Z62VT1 offers tighter voltage tolerance (±6.5% vs ±5% and ±5%), lower leakage (0.05 µA vs 1 µA), and optimized thermal resistance for FR-5 boards - making it preferred for precision reference and low-power portable applications.
Availability
MM3Z62VT1 is available at Aetrix Electronics and suitable for cellular phone power management, USB port overvoltage protection, and wearable sensor bias networks requiring stable component supply, consistent Zener voltage matching, and SOD−323 footprint reliability.
Supply support for MM3Z62VT1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The MM3ZxxT1 series is part of onsemi's precision Zener regulator portfolio designed specifically for space-constrained, low-power voltage reference and protection applications in portable and battery-operated electronics.
FAQ
What is the Zener voltage tolerance of MM3Z62VT1?
The MM3Z62VT1 has a nominal Zener voltage of 62 V with minimum 58 V and maximum 66 V at IZT = 2 mA, corresponding to ±6.5% tolerance. This specification is guaranteed across production lots and verified per onsemi's electrical characteristics table. The MM3Z62VT1 maintains this tolerance over ambient temperatures from −65°C to +150°C, with voltage drift compensated by its +0.4 mV/°C temperature coefficient.
Does MM3Z62VT1 support Pb-free assembly processes?
Yes, the MM3Z62VT1G variant is the Pb-free version of MM3Z62VT1, qualified to JEDEC J-STD-020 moisture sensitivity level 1 and compatible with standard lead-free reflow profiles up to 260°C for 10 seconds. The base MM3Z62VT1 uses SnPb plating, while MM3Z62VT1G uses pure Sn plating - both share identical electrical specs and SOD−323 mechanical form factor.
What is the maximum steady-state power dissipation for MM3Z62VT1?
The MM3Z62VT1 has a maximum steady-state power dissipation of 200 mW at TA = 25°C on FR-5 board, derating linearly at 1.5 mW/°C above that temperature. At 85°C ambient, its usable power drops to 110 mW. This rating assumes standard 0.012-inch copper pour per JEDEC standards; actual performance depends on PCB copper area and airflow.
How does the leakage current of MM3Z62VT1 compare to other 62 V Zeners?
The MM3Z62VT1 specifies ≤0.05 µA leakage current at 43.4 V reverse voltage (70% of nominal VZ), which is significantly lower than typical alternatives like MMBZ5248BS-7-F (1 µA at 49.6 V). This ultra-low leakage enables use in high-impedance bias networks and battery-critical applications where standby current must remain below 100 nA.
Is MM3Z62VT1 suitable for ESD protection in USB 2.0 interfaces?
Yes, the MM3Z62VT1 is rated Class 3 (>16 kV) per Human Body Model and has been deployed in USB 2.0 VBUS line protection due to its fast response, low clamping impedance (215 Ω), and 35 pF capacitance - well below the 100 pF limit for full-speed signaling integrity. Its 62 V standoff voltage provides headroom above 5.5 V VBUS max, ensuring no false triggering during normal operation.
MM3Z62VT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 62 V
- Tolerance:
- ±6%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 215 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 43.4 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
MM3Z62VT1 FAQ
1.How can I place an order for MM3Z62VT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MM3Z62VT1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MM3Z62VT1 reliable?
The price and inventory of MM3Z62VT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MM3Z62VT1 is usually 5 days.
3.What payment methods are accepted for MM3Z62VT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MM3Z62VT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MM3Z62VT1?
MM3Z62VT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MM3Z62VT1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MM3Z62VT1?
For technical support, including MM3Z62VT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MM3Z62VT1 requirements.
6.How does Aetrix verify that MM3Z62VT1 is sourced from the original manufacturer or authorized distributors?
All MM3Z62VT1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MM3Z62VT1 meets industry standards.
7.What is the process for return or replacement of MM3Z62VT1?
All MM3Z62VT1 units undergo pre-shipment inspection (PSI). If there is an issue with MM3Z62VT1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MM3Z62VT1 part is unused and in its original packaging.
Return procedure for MM3Z62VT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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